Plain Cement Concrete (PCC) is a construction material generally used as a binding materials and is composed of cement, (commonly Portland Cement) and other cementitious materials such as fly ash and slag cement, aggregate (generally a coarse aggregate made of gravels or crushed rocks such as limestone or granite....

The crushed rock is combined with other ingredients such as iron ore or fly ash and ground, mixed, and fed to a cement kiln The cement kiln heats all the ingredients to about 2,700 degrees Fahrenheit in huge cylindrical steel ,...

2 The table is based on assumption that the voids in sand and crushed stone are 40 and 45 percent respectively 3 Air content of 1 percent has been assumed 4 For gravel aggregates decrease cement by 5 percent, increase sand by 2 percent and coarse aggregate in proportion to fine aggregate in mix ....

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